Finding the Fourth Proportional to 196.71, 294.82 and 105.27

Step by Step Solution

1. Step 1: Write the proportion equation
   196.71 : 294.82 = 105.27 : x
2. Step 2: Convert to fraction form
   196.71/294.82 = 105.27/x
3. Step 3: Cross multiply
   196.71x = 294.82 × 105.27
4. Step 4: Simplify right side
   196.71x = 31,035.70
5. Step 5: Solve for x
   x = 31,035.70/196.71
6. Step 6: Final answer
   x = 157.77